Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Make over an old shirt that's destined for the thrift shop with this heart cut-out craft for Valentine's Day.

Here's a fun activity to show your child how to use prefixes and root words to "root out" the meaning of a word!

Stay active over summer vacation with this fun take on the old favorite Red Rover!

This activity teaches your third grader how to make a paper cut-out still life, in true Matisse-style.

Filling out forms can be a great learning experience for kids. Here's how to give your child some FORMal training.

Use a basic tape recorder and some favorite books to help your first grader read smoothly--and make someone's day in the process!

Teach your fifth grader the ancient Japanese art of origami with this incredible origami balloon that uses just one piece of paper!

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Challenge your fourth grader to try to recreate the geography of her state using just flour, salt, and water.

Celebrate spring with a cute cut-out bug button your child can make out of colorful felt and markers!

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Is your kid all bent out of shape? Try out some trendy dog yoga, or "doga," with your pet dog!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Find out which type of sponge holds the most water.

Find out whether matte or shiny nail polish lasts longer.

Covered in patterns and reflective texture, this paper purse is sure to stand out!

Draw some educational value out of a summer stocked full of adventures!

Here's a great activity that will bring out the performer in your child!

Find out which kind of bubble wrap fares best when put in impact.

Check out this sweet recipe idea perfect for celebrating Dia de los Muertos.

Making personalized postcards out of meaningful photographs is a fun, rainy day project.

Find out whether putting something on top of a plant will inhibit its growth.

Take your child's knowledge of shapes out of the classroom and into the real world!

The goal of this project is to create an exciting topographical map out of dough.

In this fun experiment, we'll find out how color affects heat absorption!

How powerful is the reaction between baking soda and vinegar? Find out here!

Check out this cool science fair project on identifying rocks and minerals for kids.